- The shell configuration files are ‘~/.bashrc’ and ‘~/.profile’ in the home directory
- you can set environment variables by using an assignment, followed by the ‘export’ aommand
- VARIABLE_NAME=variable.value
- export VARIABLE_NAME
- (or you can combine) export VARIABLE_NAME=variable.value
- view the value of a variable with the ‘echo’ command
- echo $VARIABLE_NAME